Answer:
The average decline in overall amphibian populations is 3.79 percent per year, though the decline rate is more severe in some regions of the U.S., such as the West Coast and the Rocky Mountains. If this rate remains unchanged, some species will disappear from half of the habitats they occupy in about 20 years.
Explanation:
cuz
The nucleus is an organelle found in eukaryotic cells. Inside its fully enclosed nuclear membrane, it contains the majority of the cell's genetic material. This material is organized as DNA molecules, along with a variety of proteins, to form chromosomes.
....structural adaptations<span> are physical features of an organism like the bill on a bird or the fur on a bear. </span>Behavioral adaptations<span> are the things organisms do to survive.</span>
Different cell structure between the two.Prokaryotic is just a cell while eukaryote has room to have the nucleus and other organelles.